package com.example.idea.customer;


import com.example.idea.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

@Service
public class CustomerService {
    private final static Logger LOGGER=LoggerFactory.getLogger(CustomerService.class);
    private final CustomerRepository customerRepository;
@Autowired
    public CustomerService( CustomerRepository customerRepository){
        this.customerRepository = customerRepository;
    }
    List<Customer>getCustomers(){
    LOGGER.info("getCustomers called");
        return customerRepository.findAll();
    }
    Customer getCustomer(Long id){
    return customerRepository

                .findById(id)
                .orElseThrow(() -> {
                    NotFoundException notFoundException =new NotFoundException("customer"+id+"无法找到");
                    LOGGER.error("error:getCustomer{}"+id,notFoundException);
                    return notFoundException;
                });
    }
}
